diff --git a/include/wx/choicebk.h b/include/wx/choicebk.h
index 06a071c237..cbb17693f8 100644
--- a/include/wx/choicebk.h
+++ b/include/wx/choicebk.h
@@ -17,6 +17,7 @@
 #if wxUSE_CHOICEBOOK
 
 #include "wx/bookctrl.h"
+#include "wx/choice.h"
 
 class WXDLLEXPORT wxChoice;